💡 Add multi-arch container builds for standard release version tags

[jamurtag]

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Describe the feature you'd like Create a multi-arch amd64/arm64 Docker build for standard app version tags (i.e. 2022.9.0).

Describe alternatives you've considered n/a

Additional context When cloudflared added support for arm64 images, the well-known release version tag was changed to architecture appended images, i.e. 2022.9.0-amd64 & 2022.9.0-arm64. An example of where this causes issues can be seen in this (Cloudflare) cloudflared Helm chart - using appVersion in the Chart.yaml which defaults to the image tag if none is supplied - which now breaks as there is no architecture-neutral tag.

[dbackeus]

We also have need for this as we're running both arm64 and amd64 based nodes and would like to avoid using :latest if possible (which is currently the only tag which support both architectures).

[firecow]

Our upgrade routine via renovate is quite broken right now. In fact we only noticed the 2022.9.0 upgrade by shear luck :smile:

[sudarshan-reddy]

docker pull cloudflare/cloudflared:2022.10.2 should work now.

[firecow]

@sudarshan-reddy We are very happy about this, thank you very much :clap:

[sudarshan-reddy]

And we are very appreciative for all your input that makes cloudflared a better tool every iteration.